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Your search - %((22optical materials) or (acoustic materials))%22 - did not match any resources.
Perhaps you should try some spelling variations:
22optical materials » optical materials, optical material, acoustical materials
acoustic materials » acoustic metamaterials, plastic materials, elastic materials
22optical materials » optical materials, optical material, acoustical materials
acoustic materials » acoustic metamaterials, plastic materials, elastic materials
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- If you are trying to use Boolean operators, they must be ALL CAPS: %((22optical materials) OR (acoustic materials))%22.
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